Material: Food-Grade silicone,FDA approved,100% BPA free;Weight:90g/piece,Capacity:12 OZ Portable: The Rubber Wine Cups are foldable and pretty good for Wine on the go. Perfect for outdoor events such as camping, climbing, travelling, BBQ, beach fun, parties, picnics Remove the smeall: There is only a little bit smell inside the fresh cups, just Fill the cups with water and place them for 3 to 4 hours, then the smells will be gone